X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=fio-ini.c;h=73cebf220d5f761c6797993b402a556f4af0ca27;hp=d51503519ff709875ebb56cb210a671ad118de59;hb=a12fc0225482bd1580a332312f2a60f73a9ebc28;hpb=843a741389226f5f2d0ce8636cd57532be9b7e4d diff --git a/fio-ini.c b/fio-ini.c index d5150351..73cebf22 100644 --- a/fio-ini.c +++ b/fio-ini.c @@ -36,6 +36,9 @@ #define DEF_FILE_SIZE (1024 * 1024 * 1024UL) #define DEF_ZONE_SIZE (0) #define DEF_ZONE_SKIP (0) +#define DEF_RWMIX_CYCLE (500) +#define DEF_RWMIX_READ (50) +#define DEF_NICE (0) static char fio_version_string[] = "fio 1.3"; @@ -282,7 +285,7 @@ err: int init_random_state(struct thread_data *td) { - unsigned long seed; + unsigned long seeds[4]; int fd, num_maps, blocks; fd = open("/dev/urandom", O_RDONLY); @@ -291,7 +294,7 @@ int init_random_state(struct thread_data *td) return 1; } - if (read(fd, &seed, sizeof(seed)) < (int) sizeof(seed)) { + if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { td_verror(td, EIO); close(fd); return 1; @@ -299,14 +302,15 @@ int init_random_state(struct thread_data *td) close(fd); - srand48_r(seed, &td->bsrange_state); - srand48_r(seed, &td->verify_state); + srand48_r(seeds[0], &td->bsrange_state); + srand48_r(seeds[1], &td->verify_state); + srand48_r(seeds[2], &td->rwmix_state); if (td->sequential) return 0; if (repeatable) - seed = DEF_RANDSEED; + seeds[3] = DEF_RANDSEED; blocks = (td->io_size + td->min_bs - 1) / td->min_bs; num_maps = blocks / BLOCKS_PER_MAP; @@ -314,7 +318,7 @@ int init_random_state(struct thread_data *td) td->num_maps = num_maps; memset(td->file_map, 0, num_maps * sizeof(long)); - srand48_r(seed, &td->random_state); + srand48_r(seeds[3], &td->random_state); return 0; } @@ -650,7 +654,7 @@ static int str_iolog_cb(struct thread_data *td, char *file) int parse_jobs_ini(char *file) { - unsigned int prioclass, prio, cpu, global; + unsigned int prioclass, prio, cpu, global, il; unsigned long long ull; unsigned long ul1, ul2; struct thread_data *td; @@ -791,6 +795,28 @@ int parse_jobs_ini(char *file) fgetpos(f, &off); continue; } + if (!check_int(p, "rwmixcycle", &td->rwmixcycle)) { + fgetpos(f, &off); + continue; + } + if (!check_int(p, "rwmixread", &il)) { + if (il > 100) + il = 100; + td->rwmixread = il; + fgetpos(f, &off); + continue; + } + if (!check_int(p, "rwmixwrite", &il)) { + if (il > 100) + il = 100; + td->rwmixread = 100 - il; + fgetpos(f, &off); + continue; + } + if (!check_int(p, "nice", &td->nice)) { + fgetpos(f, &off); + continue; + } if (!check_range(p, "bsrange", &ul1, &ul2)) { if (ul1 > ul2) { td->max_bs = ul1; @@ -933,6 +959,9 @@ static int fill_def_thread(void) def_thread.stonewall = DEF_STONEWALL; def_thread.numjobs = DEF_NUMJOBS; def_thread.use_thread = DEF_USE_THREAD; + def_thread.rwmixcycle = DEF_RWMIX_CYCLE; + def_thread.rwmixread = DEF_RWMIX_READ; + def_thread.nice = DEF_NICE; #ifdef FIO_HAVE_DISK_UTIL def_thread.do_disk_util = 1; #endif